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United States Patent | 5,256,954 |
Chen | October 26, 1993 |
A battery pack charging device includes a housing with a base plate, a first upright wall which extends upwardly from the base plate and a second upright wall which similarly extends upwardly from the base plate and which is disposed opposite to the first upright wall. The first and second upright walls and the base plate define a receiving space to receive a battery pack. A movable wall assembly is provided in the receiving space adjacent to the first upright wall. The movable wall assembly includes a positioning wall member which faces the second upright wall and which is spaced from the second upright wall. The positioning wall member is movable towards or away from the first upright wall so as to vary the space between the positioning wall member and the second upright wall in order to correspond with the width of the battery pack. A frame of a movable electrical contact assembly is mounted on at least one of the second upright wall and the base plate. An elongated carriage is movably mounted along the frame. A pair of terminal seats are movably mounted on the carriage and have a respective electrical contact provided thereon. The terminal seats are movable along the carriage, and the carriage is movable along the frame so as to align the electrical contacts with corresponding contact terminals of the battery pack.
Inventors: | Chen; Jeff (3F, No.15, Alley 1, Lane 30, Teng-Kung Rd., Tansui Chen, Taipei Hsien, TW) |
Appl. No.: | 911210 |
Filed: | July 9, 1992 |
Current U.S. Class: | 320/110; 320/113 |
Intern'l Class: | H02J 007/00; H01M 010/46 |
Field of Search: | 320/2,15 |
3217227 | Nov., 1965 | Sherwood | 320/2. |
3435318 | Mar., 1969 | Mas | 320/2. |
4101818 | Jul., 1978 | Kelly, III et al. | 320/2. |
4214197 | Jul., 1980 | Mann et al. | 320/2. |